-9x-1=-7x+7

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Solution for -9x-1=-7x+7 equation: 



-9x-1=-7x+7

We move all terms to the left:

-9x-1-(-7x+7)=0

We get rid of parentheses

-9x+7x-7-1=0

We add all the numbers together, and all the variables

-2x-8=0

We move all terms containing x to the left, all other terms to the right

-2x=8

x=8/-2

x=-4

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